Analyse @TheAtlPhoto's tweets
@TheAtlPhoto
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Day 15 of the 2021 Hubble Space Telescope Advent Calendar: A Halo of Gas and Dust. This giant star called AG Carinae is surrounded by an expanding shell of gas and dust about five light-years across, remnants of an eruption that happened 10,000 years ago. https://t.co/XX3zqTdruM https://t.co/GR2nzUEEox